Home / 102,183,936.80-153,275,905.20-65,904,231.20

Finding the Fourth Proportional to 102,183,936.80, 153,275,905.20 and 65,904,231.20

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Solution

The fourth proportional to 102,183,936.80, 153,275,905.20 and 65,904,231.20 is: 98,856,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,183,936.80 : 153,275,905.20 = 65,904,231.20 : x
  2. Step 2: Convert to fraction form
    102,183,936.80/153,275,905.20 = 65,904,231.20/x
  3. Step 3: Cross multiply
    102,183,936.80x = 153,275,905.20 × 65,904,231.20
  4. Step 4: Simplify right side
    102,183,936.80x = 10,101,530,693,690,082
  5. Step 5: Solve for x
    x = 10,101,530,693,690,082/102,183,936.80
  6. Step 6: Final answer
    x = 98,856,346.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.